Application Layer 7: The Application Layer The application layer is the OSI layer that is closest to the user It provides network services to the user's applications. It differs from the other layers in that it does not provide services to any other OSI layer, but rather, only to applications outside the OSI model.

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Presentation Layer 6: The Presentation Layer The presentation layer ensures that the information that the application layer of one system sends out is readable by the application layer of another system. Responsible for compression and encryption 2? $ * ^ ## ^% ()? Encryption\ Data Format Change

3 Network Layer 3: The Network Layer provides connectivity and path selection between two host systems that may be located on geographically separated networks. 192.168.13.176192.168.13.191 To IPFrom IP Send to internet IP uses in WAN traffic